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<TITLE>Locking archives</TITLE>
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<P class="title"><A NAME="HELPArcLocking"></A>Locking archives<hr></P>

<P><A HREF="HELPRARVersusZIP.htm">RAR archive format</A> allows to lock
archives. WinRAR cannot modify locked archives, so locking important
archives prevents their accidental modification by WinRAR.
Such protection might be especially useful in case of WinRAR commands
processing archives in groups.</p>

<p>Archive locking is not intended or able to prevent modification
by other tools or willful third party. It implements a safety measure
only for accidental data change by WinRAR.</p>

<P>Use "Lock archive" command in WinRAR shell mode or <A HREF="HELPCmdK.htm">
command "K"</A> in the command line to lock an archive.</P>

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